SMAC: Sequential multi-channel analysis with computer. It is a chem 7. Due to the changes in medicare a few years ago (about 10 plus actaully), the doctors have to order the tests individually. That is mopw why the generally order a BMP or a CMP a former chem 7 or a chem 20. SMAC is just another term for it.

Just got off the horn with my lab geek buddy who tells me that SMAC stands for "Sequential Multi channel analyzer and the C stood for computer it was one of the first chemistry analyzers made...he says that he is pretty sure would bet the car but not the house that this right.
hope this helps P